Perimeter Dock & Post Bumper 4-1/2" x 6' Bulbs All purpose (AP) blocks are

All purpose (AP) blocks are a great all around solution

Star Tron® eliminates and prevents ethanol fuel problems

Available in the following colors: white

H 15/16" (24 mm)

Simply apply small amount on a wet scrub brush

Perimeter Dock & Post Bumper 4-1/2" x 6' Bulbs All purpose (AP) blocks areMedium Dock & Post Bumper Will not deteriorate in the sun or mar your boat. Polyester textile cover and closed cell foam inner cushion, NOT vinyl, PVC or rubber. Cleans easily with liquid soap and a brush. Flexible tab system allows standard "Top of Dock" or unique "Fold Over" mounting which conceals the top row fasteners. Flexible enough to mount on curves or around corners.